diff options
| author | Alfredo Cruz <alfredo.carlon@gmail.com> | 2023-03-22 23:44:11 +0100 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2023-03-23 00:18:58 +0100 |
| commit | 4ab9157c7e02019fa8d8ab98d4f9e67e6a7cfad1 (patch) | |
| tree | 13f03953116bec2b43f5cebbdccc7434f4e7d27c | |
| parent | b5af48eedcb53491c02ded55d5991e03d6da6dbf (diff) | |
drm/rockchip: vop2: Add error check to devm_regmap_init_mmiodrm-misc-next-2023-03-23
devm_regmap_init_mmio() may return an invalid pointer in case of an error.
This patch adds the corresponding IS_ERR check to vop2->map.
Signed-off-by: Alfredo Cruz <alfredo.carlon@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230322224411.15612-1-alfredo.carlon@gmail.com
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c index fce992c3506f..38554ca2fc39 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c @@ -2679,6 +2679,8 @@ static int vop2_bind(struct device *dev, struct device *master, void *data) vop2->len = resource_size(res); vop2->map = devm_regmap_init_mmio(dev, vop2->regs, &vop2_regmap_config); + if (IS_ERR(vop2->map)) + return PTR_ERR(vop2->map); ret = vop2_win_init(vop2); if (ret) |